347 junior java developer jobs at 144 companies in Olney, MD
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Java Developer Junior
Ashburn, Virginia, United States
$80k-$120k/yrHybridFull Time
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
2+ YOE2+ years Java/JEE development, bachelor’s in CS or related, experience with cloud/AWS serverless, microservices using Spring, DBMS and NoSQL, Unix familiarity, and ability to obtain public trust.
CGINYSE: GIB: Provides information technology and business consulting services.
1+ YOE1+ year web application development with Java, Angular, Spring, REST, and SQL. Bachelor's in Computer Science/Engineering or related. US citizenship required; able to work in hybrid office model.
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
2+ YOEBachelor's in CS or related, 2+ years Java J2EE/JEE and cloud/serverless (AWS Lambda) experience, Spring/Spring Boot microservices, DBMS and NoSQL proficiency, Unix/Linux familiarity, and strong communication.
Black Cape: Provides mission software, AI, and data analytics for defense.
1.5+ YOEBachelor's degree and 1.5+ years experience, proficiency in Java, APIs (REST/GraphQL), PostgreSQL, Docker; experience with Linux/Windows/MacOS; must have active TS/SCI clearance and be willing to obtain a CI poly.
Java, REST, GraphQL, PostgreSQL, Docker, MacOS, Windows, Linux, Google TensorFlow, Python scikit-learn, GitLab, Spring Boot, maven, JUnit, Kubernetes, OpenShift
Sprezzatura Management Consulting: Provides digital modernization and management consulting for federal agencies.
1+ YOE1–3 years software development experience with Java, SQL/Oracle, REST/SOAP, OOP, and Agile; Bachelor's in CS or related (or equivalent experience); U.S. citizen or permanent resident required; strong communication and problem-solving skills.
Java, Spring Framework, Struts, JSP, WebLogic, Oracle, REST, SOAP, Java 17, Spring Boot, SQL, Git, JavaScript, HTML, React
Gigatec: Providing systems engineering and software development services for defense.
U.S. work authorization required; Top Secret clearance and favorable polygraph required; experience with Java, Spring, containers, Kubernetes, CI/CD, Linux, Bash, Python, MongoDB, messaging systems; strong communication and problem-solving skills.
Linux CLI, Bash, Python, Java, Spring Framework, Spring Boot, Spring Data, Spring Integration, MongoDB, Docker, containerd, Kubernetes, RabbitMQ, Kafka, Bamboo, GitLab CI, Ansible, Git, Jira, Confluence, Helm
CACINYSE: CACI: Provides information technology and professional services to government clients.
0+ YOEBachelor's degree in CS/Software Engineering/Information Systems; TS/SCI with Polygraph; strong software fundamentals; experience with Java, C#, Python, or JavaScript; willingness to learn enterprise platforms and PeopleSoft.
Visionist: Provides software engineering and data analytics for national security.
3+ YOEBachelor's degree in a technical field; 3 years software development; object-oriented programming; multi-INT or complex software systems; strong requirements analysis and documentation; collaboration and communication skills.
ActioNet: Provides IT modernization and cybersecurity services for government agencies.
0+ YOEBachelor's in CS/IT, 0–3 years software development experience, knowledge of Python/Java/C#, familiarity with Agile/Scrum/SAFe, Secret clearance, strong communication and problem-solving; cloud and DevOps certifications preferred.
Akumen: Provides technology, cybersecurity, and data services to federal agencies.
2+ YOEBachelor's or equivalent, 2+ years software development experience, proficiency with C#/.NET or Java, JavaScript frameworks (React/Angular), Microsoft Azure and Azure DevOps, RESTful APIs, and relational databases.
C#/.NET, Java, JavaScript, React, Angular, Microsoft Azure, Azure DevOps, RESTful APIs, SQL Server, PostgreSQL, ASP.NET Core, Spring Boot, Docker, Kubernetes, Terraform, Bicep, PowerShell, Python, Bash, CI/CD pipelines
Kreative Technologies: Provides IT modernization and cybersecurity services for federal government agencies.
1+ YOE1–3 years software development experience; knowledge of C#, ASP.NET/.NET, Java, SQL, HTML/CSS/JavaScript; familiarity with REST/SOAP and version control; ability to obtain government security clearance.
JRAD: Provides technical research and defense support to federal agencies.
0+ YOEBachelor's in CS or related, 0-3 years software development experience, Java/Spring preferred, proficiency with OOP, data structures, REST/microservices, databases, containerization, Agile, and security standards; able to pass DHS suitability screening.
Java, C#, C++, ASP.Net, Python, JavaScript, Spring MVC, Spring Boot, SSO, Scala, Http4s, ETL, Node.js, React, Angular, Vue.js, PostgreSQL, MySQL, MongoDB, RESTful APIs, microservices, Docker, Kubernetes, Git, Github, JIRA, SAFe, AWS, Microsoft Azure, Google Cloud Platform, Jenkins, GitLab CI/CD, GitHub Actions, JUnit, PyTest, Jest, OWASP, Section 508, NIST
Cav: Continuous cyber assurance platform for high-reliability organizations.
0+ YOE0–2 years software development experience; familiarity with modern frontend frameworks, backend development (Python/Node.js/Java), REST APIs, relational/NoSQL databases; interest in AI/ML and LLMs; strong communication and problem-solving.
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years software development experience (Java or JavaScript) using Agile methods; experience with full-stack development, automated testing, and working with cloud-deployed applications; Top Secret clearance required.
Java, JavaScript, Red Hat, Windows Server, Oracle, JMeter, Jenkins, Swagger, Nexus, Apigee, GitHub, GitLab, Bash, Curl, XML, JSON, SQL, Amazon Web Services (AWS)
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE3+ years software development experience using Java or JavaScript, Agile methods, testing and automation, and building end-to-end cloud-ready solutions; TS clearance required.
Java, JavaScript, Red Hat, Windows Server, Oracle, JMeter, Jenkins, Swagger, Nexus, Apigee, GitHub, GitLab, Bash, Curl, XML, JSON, SQL, Amazon Web Services (AWS)
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Bachelor's in CS or related, familiarity with Java/Python/JavaScript and modern web stacks, TS/SCI clearance required, strong communication and problem-solving skills.
Java, Python, JavaScript, Typescript, Angular, React, ElasticSearch, ELK stack, Redis, Web Services (REST), docker, lxc, Kubernetes, helm, Machine Learning, Data Analytics, Android, NoSQL, SQL, Xmidas, Digital Signal Processing
ASSYST: An award-winning IT firm that provides digital transformation, DevSecOps, cyber security, and AI integration services for government agencies.
0+ YOE0–2 years software development experience; eligible for security clearance; basic knowledge of HTML5, CSS3, JavaScript (ES6+), a front-end framework (React/Angular/Vue.js), a back-end technology (.NET/Node.js/Java Spring Boot/Python), REST APIs, SQL/NoSQL, and Git.
Tiber Technologies: Providing specialized engineering and security services for federal missions.
U.S. citizen with active clearance and polygraph required. Bachelor's in computer science, engineering, or related field required. Proficiency in Java, Python, PySpark, and experience with big-data frameworks (Hadoop, MapReduce, Pig), ETL, JSON/BSON.
Forge Group: Provides professional consulting and IT solutions for federal agencies.
0+ YOEU.S. citizen with 0–3 years Appian or application development experience; Appian Associate certification within 6 months; CompTIA Security+ within 30 days; active Tier 2 background investigation within 18 months; foundational SQL, REST, and Appian knowledge.